The Sharpie Permanent Markers Fine Tip in Black are ideal for writing on various surfaces such as paper, metal, plastic, and wood. The fine nib allows for precise and detailed markings, making them perfect for a wide range of applications in the office or at home. With the trusted brand of Sharpie, you can be assured of high-quality and long-lasting results. This 12-pack ensures that you have plenty of markers on hand for all your writing needs.